usaa. we know what it means to serve. harris: a fox weather alert, and we are days into the system, a powerful winter storm dumping a heavy amount of snow triggering tornadoes and causing hundreds, well over a thousand now, flights to be canceled. mafia molina in live in the extreme weather center. it won't go away. >> reporter: yeah, very stubborn, and we have yet another storm system on the heels of this one, and i do want to show it to you. even though it's not forecast to be anywhere near as bad as this storm was, it's still kind of insult to injury just a couple of days right after a significant snowstorm moved through your area or some tornadoes ripping through your area during christmas day. so this storm system is slowly getting its act together right now across parts of the midwest and also in the south. by friday afternoon it should be producing some very heavy rain and thunderstorms in the places that were hit hard by those tornadoes, in alabama, mississippi and even down into louisiana. and then as we head int